1056513340 has 12 divisors (see below), whose sum is σ = 2218678056. Its totient is φ = 422605328.

The previous prime is 1056513323. The next prime is 1056513377. The reversal of 1056513340 is 433156501.

It is a super-2 number, since 2×1056513340² = 2232440875195911200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056513299 and 1056513308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26412814 + ... + 26412853.

It is an arithmetic number, because the mean of its divisors is an integer number (184889838).

Almost surely, 2^1056513340 is an apocalyptic number.

1056513340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056513340 is an abundant number, since it is smaller than the sum of its proper divisors (1162164716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1056513340 is a wasteful number, since it uses less digits than its factorization.

1056513340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52825676 (or 52825674 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 1056513340 is about 32504.0511321281. The cubic root of 1056513340 is about 1018.4936563052.

Adding to 1056513340 its reverse (433156501), we get a palindrome (1489669841).

The spelling of 1056513340 in words is "one billion, fifty-six million, five hundred thirteen thousand, three hundred forty".